1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "MockGamepadProvider.h"
28
29#if ENABLE(GAMEPAD)
30
31#include "GamepadProviderClient.h"
32#include "MockGamepad.h"
33#include <wtf/MainThread.h>
34#include <wtf/NeverDestroyed.h>
35
36namespace WebCore {
37
38MockGamepadProvider& MockGamepadProvider::singleton()
39{
40 static NeverDestroyed<MockGamepadProvider> sharedProvider;
41 return sharedProvider;
42}
43
44MockGamepadProvider::MockGamepadProvider() = default;
45
46void MockGamepadProvider::startMonitoringGamepads(GamepadProviderClient& client)
47{
48 ASSERT(!m_clients.contains(&client));
49 m_clients.add(&client);
50}
51
52void MockGamepadProvider::stopMonitoringGamepads(GamepadProviderClient& client)
53{
54 ASSERT(m_clients.contains(&client));
55 m_clients.remove(&client);
56}
57
58void MockGamepadProvider::setMockGamepadDetails(unsigned index, const String& gamepadID, unsigned axisCount, unsigned buttonCount)
59{
60 if (index >= m_mockGamepadVector.size())
61 m_mockGamepadVector.resize(index + 1);
62
63 if (m_mockGamepadVector[index])
64 m_mockGamepadVector[index]->updateDetails(gamepadID, axisCount, buttonCount);
65 else
66 m_mockGamepadVector[index] = std::make_unique<MockGamepad>(index, gamepadID, axisCount, buttonCount);
67}
68
69bool MockGamepadProvider::connectMockGamepad(unsigned index)
70{
71 if (index < m_connectedGamepadVector.size() && m_connectedGamepadVector[index]) {
72 LOG_ERROR("MockGamepadProvider: Attempt to connect a fake gamepad that is already connected (%u)", index);
73 return false;
74 }
75
76 if (index >= m_mockGamepadVector.size() || !m_mockGamepadVector[index]) {
77 LOG_ERROR("MockGamepadProvider: Attempt to connect a fake gamepad that doesn't have details set(%u)", index);
78 return false;
79 }
80
81 if (m_connectedGamepadVector.size() <= index)
82 m_connectedGamepadVector.reserveCapacity(index + 1);
83
84 while (m_connectedGamepadVector.size() <= index)
85 m_connectedGamepadVector.uncheckedAppend(nullptr);
86
87 m_connectedGamepadVector[index] = m_mockGamepadVector[index].get();
88
89 for (auto& client : m_clients)
90 client->platformGamepadConnected(*m_connectedGamepadVector[index]);
91
92 return true;
93}
94
95bool MockGamepadProvider::disconnectMockGamepad(unsigned index)
96{
97 if (index >= m_connectedGamepadVector.size() || !m_connectedGamepadVector[index]) {
98 LOG_ERROR("MockGamepadProvider: Attempt to disconnect a fake gamepad that is not connected (%u)", index);
99 return false;
100 }
101 if (m_connectedGamepadVector[index] != m_mockGamepadVector[index].get()) {
102 LOG_ERROR("MockGamepadProvider: Vectors of fake gamepads and connected gamepads have gotten out of sync");
103 return false;
104 }
105
106 m_connectedGamepadVector[index] = nullptr;
107
108 for (auto& client : m_clients)
109 client->platformGamepadDisconnected(*m_mockGamepadVector[index]);
110
111 return true;
112}
113
114bool MockGamepadProvider::setMockGamepadAxisValue(unsigned index, unsigned axisIndex, double value)
115{
116 if (index >= m_mockGamepadVector.size() || !m_mockGamepadVector[index]) {
117 LOG_ERROR("MockGamepadProvider: Attempt to set axis value on a fake gamepad that doesn't exist (%u)", index);
118 return false;
119 }
120
121 m_mockGamepadVector[index]->setAxisValue(axisIndex, value);
122 gamepadInputActivity();
123 return true;
124}
125
126bool MockGamepadProvider::setMockGamepadButtonValue(unsigned index, unsigned buttonIndex, double value)
127{
128 if (index >= m_mockGamepadVector.size() || !m_mockGamepadVector[index]) {
129 LOG_ERROR("MockGamepadProvider: Attempt to set button value on a fake gamepad that doesn't exist (%u)", index);
130 return false;
131 }
132
133 m_mockGamepadVector[index]->setButtonValue(buttonIndex, value);
134 setShouldMakeGamepadsVisibile();
135 gamepadInputActivity();
136 return true;
137}
138
139void MockGamepadProvider::gamepadInputActivity()
140{
141 if (!m_shouldScheduleActivityCallback)
142 return;
143
144 m_shouldScheduleActivityCallback = false;
145 callOnMainThread([this]() {
146 dispatchPlatformGamepadInputActivity();
147
148 m_shouldScheduleActivityCallback = true;
149 });
150}
151
152} // namespace WebCore
153
154#endif // ENABLE(GAMEPAD)
155